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quick potatoes au gratin
Faiza Shabir

Elegant Potatoes Au Gratin Recipe

This Elegant Potatoes Au Gratin Recipe features thinly sliced potatoes baked in a rich, creamy garlic sauce. Layers of tender potatoes and melted cheese create a golden, bubbling top. It’s classic, comforting, and perfect for holidays or special dinners. Every bite tastes luxurious and homemade.
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Prep Time 20 minutes
Cook Time 1 hour 10 minutes
Total Time 1 hour 20 minutes
Servings: 8
Course: Side Dish
Cuisine: American
Calories: 480
Ingredients Method Notes

Ingredients
  

  • 2 1/2 lbs Yukon Gold potatoes thinly sliced
  • 2 tbsp unsalted butter
  • 2 cloves garlic minced
  • 2 tbsp all-purpose flour
  • 2 cups whole milk
  • 1 cup heavy cream
  • 1 1/2 cups shredded Gruyère or sharp cheddar cheese
  • 1/2 cup grated Parmesan cheese
  • 1 tsp salt adjust to taste
  • 1/2 tsp black pepper
  • 1/4 tsp nutmeg optional
  • 1 tbsp chopped fresh thyme optional garnish

Method
 

  1. Preheat oven to 375°F (190°C) and grease a 9x13-inch baking dish.
  2. Melt butter in a saucepan and sauté garlic 30 seconds.
  3. Stir in flour and cook 1–2 minutes to form a roux.
  4. Slowly whisk in milk and cream until smooth.
  5. Cook 3–4 minutes until sauce thickens slightly.
  6. Stir in salt, pepper, nutmeg, and half the shredded cheese.
  7. Layer half of sliced potatoes in baking dish.
  8. Pour half of cheese sauce over potatoes.
  9. Repeat layers and top with remaining cheese and Parmesan.
  10. Cover with foil and bake 45 minutes.
  11. Remove foil and bake 20–25 minutes until golden and tender.
  12. Rest 10 minutes before serving and garnish with thyme.

Notes

  • Slice potatoes evenly for uniform cooking.
  • Use a mandoline slicer for thin, consistent slices.
  • Let the dish rest before serving to help the sauce thicken.
  • Store refrigerated up to 3 days and reheat covered.

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